New images sent back from the European Space Agency's Mars Express show channels and erosion in Martian desert craters that hint at a watery past.
Data from NASA's Messenger spacecraft bolsters the case that ice lines the inside of polar craters on Mercury.
Second-quarter revenue will be far lower than analysts had expected as sales of Treos continue to dwindle without Palm's next-generation operating system.
The odometer may read 1,000 miles, but it's been the equivalent of a full trip across the United States since Road Trip 2009 got under way. And what a trip it's been.
A project called Uwingu has begun selling naming rights to 500,000 craters on Mars to try to raise $10 million for science research and education.
John Lennon's name is now part of a heavenly body, with the pop-rocker joining some esteemed company on Mercury's surface.
A quadcopter enthusiast flew a DJI Phantom into an active volcano in Vanuatu, escaping with some awesome footage.
The asteroid theory of dinosaur extinction gets a new twist as scientists look into what may have been a twin asteroid impact.
Scientists reevaluate what they thought was a massive impact crater on Mars. It may actually have had a much more fiery past.